Question

a simple pendulum oscillates 50 times in 20 second. find frequency and time period​

Answer 1

Answer:

2.5 hz & 0.4 sec

Step-by-step explanation:

FREQUENCY: 50/20 = 2.5hz

TIME PERIOD: 1/f = 1/2.5 = 0.4sec

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Answer 2

Given : A simple pendulum oscillates 50 times in 20 seconds.

　

To find : What is its time period and frequency?

　

Using formula :

1) Frequency = Number of times the pendulum oscillates/Total number of time taken.

　

2) Time period = Number of oscillation per second/Frequency.

　

Calculations :

→ Frequency = 50/20

→ Frequency = 2.5 hertz

　

→ Time period = 1/2.5

→ Time period = 0.4 seconds

　

Therefore,

1. Frequency = 2.5 hertz.
2. Time period = 0.4 seconds.